Now, to a pool party that got out of control, thanks to social media. A Texas housing manager is facing a huge fine for his bash after a hash tag went viral online, drawing 2,000 people to his pool party. ABC's nick watt had the story. Reporter: Here's what happens when a social media marketing campaign is just too successful. It was insane. It was packed. All you could see were heads everywhere. People in the pool. Reporter: Last Saturday, 2,000 reportedly boozy revelers, showed up in a pool designed for 750 people, max. Drawn from around the country by a hash tag that went viral, landing the venue in hot water because they hadn't applied for a permit. People were drunk in the water. That's not a good combination. Not a good mix. Reporter: NFL star Brian Holloway showed gio Benitez his upstate New York house after word of a party spread. In may, teens trashed a mansion in Ontario. Mercifully, no one got hurt this week. The party promoter told us the permit was, quote, out of our hands. And there was security to keep it safe. You can't always say, all's well that ends well. Reporter: It took nearly every off-duty police officer in town to shut the pool party down. Reached out for comment, no reply. And organizers say there will be no next time. For "Good morning America," nick watt, ABC news, Los Angeles.

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